Prime Minister Narendra Modi Friday performed Yoga with around 40,000 enthusiasts at the Prabhat Tara ground in Ranchi and said everybody should practice the ancient Indian discipline lifelong.

Modi also said the government has been working to make Yoga a pillar of preventive healthcare.

Expressing concern that young people are becoming vulnerable to heart ailments, Modi said, "Yoga can play a huge role in tackling the issue and hence, this year's theme is 'Yoga for Heart'."

WATCH: Modi leads 5th International Yoga Day celebrations in Ranchi

Photograph: Kamal Kishore/PTI Photos, Press Information Bureau